Theory
Books are portable, durable, infinitely re-printable, and require no batteries or electricity. Books can go with a person anywhere, and be read everywhere. One can reference a book easily with tabs, marks, notes, underlines, or highlights. Books are easily shared or transferred as gifts and loans. Books are inexpensive and readily available nearly everywhere. Books can be stored easily. Books can be translated easily. Books allow the reader to set their own pace and flip back and forth between pages for easy reference to other passages. A book is often of immeasurable value in relation to its cost.